ANATOMY

Detailed explanation-1: -Muscles are made up of individual fibers constructed of proteins, and these proteins are made up of amino acids connected to one another in long strings of almost infinite variety.

Detailed explanation-2: -Myofibrillar Proteins: Muscle fibers are composed of myofibrils. The proteins that comprise the myofibril, including actin and myosin and several more. The myofibrillar protein components most important for muscle fiber structure are actin and myosin.

Detailed explanation-3: -Amino acid replacement is a change from one amino acid to a different amino acid in a protein due to point mutation in the corresponding DNA sequence. It is caused by nonsynonymous missense mutation which changes the codon sequence to code other amino acid instead of the original.

Detailed explanation-4: -It’s called protein. When you eat protein, your body breaks the protein down into amino acids. Those amino acids are then used to repair and grow new muscle fibers.